What This Plane Crash Means For Airlines03:58

The possibility that the civilian jetliner downed over war-torn eastern Ukraine with nearly 300 people onboard was hit by a missile could have profound consequences for the world's airlines.

Airlines might have to be more vigilant about avoiding trouble spots, making flights longer and causing them to burn more costly fuel, an extra expense that is often passed onto passengers through higher fares. They may even be forced to reconsider many international routes.